State farm groups, Monsanto sue to halt California listing of glyphosate

Pesticide manufacturer Monsanto Co. and a host of agricultural industry groups and state business organizations have filed a federal lawsuit to rescind California's listing of glyphosate as a carcinogen under the state's Proposition 65 warning-label law, charging it violates several sections of the U.S. Constitution and could disrupt the nation's food production and processing supply chains. Glyphosate is the active ingredient in Monsanto's Roundup product and many other herbicides. If the Prop. 65 listing is upheld by the courts, companies...